A shooting at a mall north of Seattle on Friday night left five people dead and the police searching for the gunman, the Washington State Patrol said.

The gunman killed four women in the cosmetics department of a Macy’s department store at the shopping center, the Cascade Mall in Burlington, Wash., said a spokesman for the patrol, Sgt. Mark Francis. Another victim, a man who was critically wounded, was brought to Harborview Medical Center in Seattle, and Sergeant Francis said Saturday morning on Twitter that the man had died.

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The Skagit County Department of Emergency Management released this photograph of a suspect in the Cascade Mall shooting.CreditSkagit County Department of Emergency Management, via Associated Press

The gunman, who was believed to have been armed with a rifle, left before the police arrived, and the mall was evacuated after the 7:45 p.m. shooting, Sergeant Francis said. He described the suspect as a Hispanic man wearing gray.

The authorities believe there was only one gunman, but it was unclear whether he had help, Sergeant Francis said at about midnight in a briefing outside the mall. He said the gunman had last been seen walking toward Interstate 5.

The F.B.I. said early Saturday that it had “no information to suggest that additional attacks” were planned in Washington State, and that it was coordinating intelligence efforts with the local authorities.

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People were evacuated to a nearby church after a shooting at the Cascade Mall in Burlington, Wash.CreditKaren Ducey/Getty Images

After the shooting, the police converged on the mall and were making a store-by-store sweep of the 440,000-square-foot mall, looking for survivors, some of whom had locked themselves in dressing rooms and other areas, too frightened to come out, KIRO, a television station in Seattle, reported.

“It becomes more commonplace obviously, these shooting situations in our country, but until you’re one of the ones inside a building like that it is really hard to describe,” Sergeant Francis told reporters.

Eric Mathews, 40, who was meeting his son there, said it was a typical Friday night at the mall in Burlington, about 65 miles north of Seattle. He described it as a “teenage scene kind of thing.” He arrived around 7:45 p.m., when the shooting occurred. Mr. Mathews and his son, Kai, 16, left just before the mall was locked down, he said.

Four of Kai’s friends were stuck inside after the mall was locked down, he said.

Referring to his son, Mr. Mathews said: “Imagine I was late or if he didn’t answer his phone. That stuff is running through my mind.”

Stephanie Bost, an employee at Johnny Carino’s, a restaurant at the mall, said a customer said there had been a shooting about 100 yards away. “We went on lockdown” and shut the doors, she said.

“We saw people being evacuated from the mall and running out to their cars,” she added.